<template>
  <div>
    <el-form :inline="true" v-if="hasAuth('sys:menu:save')">
      <el-form-item>
        <el-form-item>
          <el-button type="primary" @click="saveHandle" v-if="hasAuth('sys:menu:save')">新增</el-button>
        </el-form-item>
      </el-form-item>
    </el-form>

    <el-table
        :data="tableData"
        style="width: 100%;margin-bottom: 20px;"
        row-key="id"
        border
        stripe
        default-expand-all
        :tree-props="{children: 'children', hasChildren: 'hasChildren'}">
      <el-table-column
          prop="name"
          label="名称"
          sortable
          width="180">
      </el-table-column>
      <el-table-column
          prop="perms"
          label="权限编码"
          sortable
          width="180">
      </el-table-column>
      <el-table-column
          prop="icon"
          label="图标">
      </el-table-column>
      <el-table-column
          prop="type"
          label="类型">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.type === 0" size="small">目录</el-tag>
          <el-tag v-else-if="scope.row.type === 1" size="small" type="success">菜单</el-tag>
          <el-tag v-else-if="scope.row.type === 2" size="small" type="info">按钮</el-tag>
        </template>
      </el-table-column>
      <el-table-column
          prop="path"
          label="菜单URL">
      </el-table-column>
      <el-table-column
          prop="component"
          label="菜单组件">
      </el-table-column>
      <el-table-column
          prop="state"
          label="状态">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.state === 0" size="small" type="danger">禁用</el-tag>
          <el-tag v-else-if="scope.row.state === 1" size="small" type="success">正常</el-tag>
        </template>
      </el-table-column>
      <el-table-column
          prop=""
          label="操作" v-if="hiddenTableCol">
        <template slot-scope="scope">
          <el-button type="text" @click="editHandle(scope.row.id)" v-if="hasAuth('sys:menu:update')">编辑</el-button>

          <el-divider direction="vertical" v-if="hasAuth('sys:menu:update')"></el-divider>
          <el-popconfirm title="确定要删除这条记录吗？" @confirm="delHandle(scope.row.id)" v-if="hasAuth('sys:menu:delete')">
            <el-button type="text" slot="reference">删除</el-button>
          </el-popconfirm>

        </template>
      </el-table-column>


    </el-table>


    <el-dialog title="菜单信息" :visible.sync="dialogFormVisible" width="600px" @closed="resetForm('editForm')">
      <el-form :model="editForm" :rules="editFormRules" ref="editForm">
        <el-form-item label="上级菜单" prop="parentId" label-width="100px">
          <el-select v-model="editForm.parentId" filterable placeholder="请输入并选择上级菜单">
            <template>
              <el-option label="无上级菜单" value=0></el-option>
            </template>
            <template v-for="item in tableData">
              <el-option :key="item.name" :label="item.name" :value="item.id"></el-option>
              <template v-for="child in item.children">
                <el-option :key="child.name" :label="child.name" :value="child.id"><span>{{ '- ' + child.name }}</span>
                </el-option>
              </template>
            </template>
          </el-select>
        </el-form-item>
        <el-form-item label="菜单名称" prop="name" label-width="100px">
          <el-input v-model="editForm.name" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="权限编码" prop="perms" label-width="100px">
          <el-input v-model="editForm.perms" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="图标" prop="icon" label-width="100px">
          <el-input v-model="editForm.icon" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="菜单URL" prop="path" label-width="100px">
          <el-input v-model="editForm.path" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="菜单组件" prop="component" label-width="100px">
          <el-input v-model="editForm.component" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="类型" prop="type" label-width="100px">
          <el-radio-group v-model="editForm.type">
            <el-radio :label=0>目录</el-radio>
            <el-radio :label=1>菜单</el-radio>
            <el-radio :label=2>按钮</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="状态" prop="state" label-width="100px">
          <el-radio-group v-model="editForm.state">
            <el-radio :label=0>禁用</el-radio>
            <el-radio :label=1>正常</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="排序号" prop="orderNum" label-width="100px">
          <el-input-number v-model="editForm.orderNum" :min="1" label="排序号">1</el-input-number>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="resetForm('editForm')">取 消</el-button>
        <el-button type="primary" @click="submitEditForm('editForm')">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>
<script>

export default {

  name: "Menu",
  data() {
    return {
      dialogFormVisible: false,
      hiddenTableCol: false,
      editForm: {},
      searchForm: {name: ''},
      tableData: [],
      editFormRules: {
        parentId: [{required: true, message: '请选择上级菜单', trigger: 'blur'}],
        name: [{required: true, message: '请输入名称', trigger: 'blur'}],
        perms: [{required: true, message: '请输入权限编码', trigger: 'blur'}],
        type: [{required: true, message: '请选择状态', trigger: 'blur'}],
        orderNum: [{required: true, message: '请填入排序号', trigger: 'blur'}],
        state: [{required: true, message: '请选择状态', trigger: 'blur'}]
      },
    }
  },
  methods: {
    saveHandle() {
      this.resetForm('editForm');
      this.dialogFormVisible = true
    },
    getMenuTree() {
      this.$axios.get("/sys/menu").then(res => {
        this.tableData = res.data.data
      })
    },
    submitEditForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          const loading = this.$loading({
            lock: true,
            text: 'loading',
            spinner: 'el-icon-loading',
            background: 'rgba(0, 0, 0, 0.7)'
          });
          this.$axios.post('/sys/menu', this.editForm).then(res => {
            loading.close();
            this.resetForm(formName);
            this.$message({
              showClose: true, message: '恭喜你，操作成功', type: 'success', duration: 2000, onClose: () => {
                this.getMenuTree()
              }
            });
          })
        } else {
          console.log('error submit!!');
          return false;
        }
      });
    }
    ,
    editHandle(id) {
      const loading = this.$loading({
        lock: true,
        text: 'loading',
        spinner: 'el-icon-loading',
        background: 'rgba(0, 0, 0, 0.7)'
      });
      this.$axios.get("/sys/menu/info/" + id).then(res => {
        loading.close();
        this.editForm = res.data.data
        this.dialogFormVisible = true
      })
    }
    ,
    delHandle(id) {
      this.$axios.delete("/sys/menu/" + id).then(res => {

        this.$message({
          showClose: true, message: '恭喜你，操作成功', type: 'success', duration: 2000, onClose: () => {
            this.getMenuTree()
          }
        });
      })
    },
    resetForm(formName) {
      if (this.$refs[formName]) {
        this.$refs[formName].resetFields();
      }
      this.editForm = {}
      this.dialogFormVisible = false
    },
  }
  ,
  created() {
    this.getMenuTree();
    this.hiddenTableCol = this.hasAuth('sys:menu:update') || this.hasAuth('sys:menu:delete')
  }
}
</script>

<style scoped>

</style>
